Are the chivalric order and code of chivalry the same?

Short answer - - no

long answer - - while im not a complete expert in this subject, the code of chivalry was like a moral code of conduct: fear god, be respectful, serve your king, etc.

stuff a knight would and should do.

the chivalric order was more like a group or society of knights of which there were many and i can't say for certain they all followed the same code of chivarly